Home / 150,460.11-207,641.33-85,939.97

Finding the Fourth Proportional to 150,460.11, 207,641.33 and 85,939.97

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Solution

The fourth proportional to 150,460.11, 207,641.33 and 85,939.97 is: 118,600.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,460.11 : 207,641.33 = 85,939.97 : x
  2. Step 2: Convert to fraction form
    150,460.11/207,641.33 = 85,939.97/x
  3. Step 3: Cross multiply
    150,460.11x = 207,641.33 × 85,939.97
  4. Step 4: Simplify right side
    150,460.11x = 17,844,688,203.05
  5. Step 5: Solve for x
    x = 17,844,688,203.05/150,460.11
  6. Step 6: Final answer
    x = 118,600.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.